Chaeles edwabd device



(N0 ModeL) O. E. DEVINB.

THREAD RELEASER FOB. SEWING MACHINES.

No. 327,925. Patented Oct. 6, 1885 UNTTED STATES PATENT OFFICE.

CHARLES EDW'ARD DEVINE, OF PLATTSBURG, NEW YORK, ASSIGNOR OF ONE-HALF TOCHARLES PAXTON, OF SAME PLACE.

THREAD-RELEASER FOR SEWtN'G-MACHINES.

SPECIFECATION forming part of Letters Patent No. 327,925, dated October6, 1885. Application filed March 12, 1885. Serial No. 158,604. (Nomodel.)

To aZZ whom it may concern.-

Be it known that I, OHARLEs EDWARD DE- VINE, of Plattsburg, in thecounty of Clinton and State of New York, have invented certain new anduseful Improvements in Thread- Releasers for Sewing-Machines; and I dohereby declare that the-following is a full, clear, and exactdescription of the same.

My invention is applicable to those machines which are furnished withplate tension-regulators; and it consists in means by which theoperation of the presser-bar lifter will simultaneously raise thepresser-foot and release the top thread from tension, thus giving to theoperator the use of both hands to take goods from under the presser-footby doing away with the necessity, when the presser-foot is raised, ofthe operator keeping one hand on a tension-liberator or of pulling someslack thread through tension on the top of machinearm, the omission ofthis latter often causing the breaking of the thread or the bending orbreaking of the needles. The chance of this is entirely obviated by mydevice, which also always keeps the thread taut, preventing slack threadwhen the operator begins to sew.

For full comprehension of my invention reference must be had to theannexed drawings, in which Figure 1 shows a side view of part of thearm, face-plate, 850., of a sewingmachine to which my invention has beenapplied, with the parts in the position they occupy while sewing isbeing done; Fig. 2, a similar view showing the tension released; andFig. 3, a front view of face-plate, 850.

Similar letters of reference indicate like parts.

A is the arm, A the head, B the face-plate, and C the presser-bar, ofascwing-machine, all

these being of any ordinary and suitable construction.

D is the presser-bar lifter, acting, as usual, against a stud, c, on thepresser-bar.

E is the tension leaf, plate, or disk, secured The operation ofmyinvention is as follows:

\Vhen the operator desires to remove the goods from under thepresser-foot, she raises the presser-bar lifter D, and thissimultaneously acts upon the presser-bar C and the lever F, and throughG upon the plate H,withdrawing it from the tension-plate E at the pointe, where the thread passes through the plate, thus freeing the tensionand allowing the thread to be drawn through. It must be understood thatany other combination of equivalent elements may be used to transmit theaction of the presser-bar lifter to the tension device to free threadfrom same.

What 1 claim is as follows:

In a sewing-machine, the combination,with the presser-bar lifter, of apivoted bell-crank lever with turned-up end, connected with the lowerplate of the tension device, and operated directly by the presser-barlifter to loosen the tension simultaneously with the raising of thepresser-bar, substantially as described.

CHARLES EDWARD DEVIN E.

\Vitnesses:

PATRICK JosErH SCANLON, CHARLES HENRY BooTH.

1 l l l, I, l l

It is hereby certified that the name of the assignee of one-halfinterest in Letters Patent No. 327 ,925, granted October 6, 1885,uponthe application of Charles Edward Divine, for an improvement inThread-Releasers for Sewingdvlachines, was errone ously Written andprinted Charles Paxton; that the name of said assignee should and thatthe said Letters Patent should the same may conform to the record of thehave been Written and printed Charles Parton be read with thiscorrection therein that case in the Patent Office.

Signed countersigned, and sealed this 24th day of November, A. D. 1885.

H. L. MULDROW, Acting Secretary of the Interior.

[SEAL] Countersigned M. V. MONTGOMERY,

Commissioner of Patents.

